[Tutor] how to read one bit of a byte

[shawn bright]

great, thanks for this. appreciate it a lot.

sk

On 2/20/07, Luke Paireepinart <rabidpoobear at gmail.com> wrote:
>
> shawn bright wrote:
> > lo there all,
> >
> > i am reading a binary file with open('myfile', 'rb')
> >
> > then i do a read(1) to read one byte. cool so far.
> >
> > but how do i read the individual bits of a byte
> >
> > i mean if i have a = read(1)
> >
> > how do i know what the msb of a is ?
> >
> > i need to know because i have to see if the msb is set and i also need
> > to know the value of the next bit.
> Well, you know the value of the MSB is...
> 1 2 4 8 16 32 64 128
> so if you divide the value by 128, and get a 1 and not a 0, then it's set.
> People commonly write functions to make binary lists from values.
> -Luke
> >
> > any tips would be greatly appreciated.
> >
> > thanks
> > ------------------------------------------------------------------------
> >
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> >
>
>
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